1345860416 has 28 divisors (see below), whose sum is σ = 2727521088. Its totient is φ = 658611072.

The previous prime is 1345860409. The next prime is 1345860469. The reversal of 1345860416 is 6140685431.

It is a super-2 number, since 2×1345860416² = 3622680518711386112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345860416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220706 + ... + 226721.

Almost surely, 2^1345860416 is an apocalyptic number.

1345860416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345860416 is an abundant number, since it is smaller than the sum of its proper divisors (1381660672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345860416 is an equidigital number, since it uses as much as digits as its factorization.

1345860416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447486 (or 447476 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1345860416 is about 36685.9702883814. The cubic root of 1345860416 is about 1104.0786368407.

The spelling of 1345860416 in words is "one billion, three hundred forty-five million, eight hundred sixty thousand, four hundred sixteen".